| /******************************************************************************* |
| * Copyright (c) 2009 Wind River Systems and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Wind River Systems - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.p2.generator; |
| |
| import org.eclipse.core.runtime.Plugin; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.packageadmin.PackageAdmin; |
| |
| /** |
| * The activator class controls the plug-in life cycle |
| */ |
| public class Activator extends Plugin { |
| |
| // The plug-in ID |
| public static final String PLUGIN_ID = "org.eclipse.cdt.p2.generator"; |
| |
| // The shared instance |
| private static Activator plugin; |
| |
| /** |
| * The constructor |
| */ |
| public Activator() { |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| plugin = null; |
| super.stop(context); |
| } |
| |
| /** |
| * Returns the shared instance |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return plugin; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T> T getService(Class<T> clazz) { |
| BundleContext context = plugin.getBundle().getBundleContext(); |
| ServiceReference ref = context.getServiceReference(clazz.getName()); |
| return (ref != null) ? (T)context.getService(ref) : null; |
| } |
| |
| public Bundle getBundle(String symbolicName) { |
| PackageAdmin packageAdmin = getService(PackageAdmin.class); |
| if (packageAdmin == null) |
| return null; |
| Bundle[] bundles = packageAdmin.getBundles(symbolicName, null); |
| if (bundles == null) |
| return null; |
| //Return the first bundle that is not installed or uninstalled |
| for (int i = 0; i < bundles.length; i++) { |
| if ((bundles[i].getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) { |
| return bundles[i]; |
| } |
| } |
| return null; |
| } |
| |
| } |